package cn.itcast.bos.web.action;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.HashMap;
import java.util.Map;

import javax.ws.rs.core.MediaType;

import org.apache.commons.io.FileUtils;
import org.apache.cxf.jaxrs.client.WebClient;
import org.apache.struts2.ServletActionContext;
import org.apache.struts2.convention.annotation.Action;
import org.apache.struts2.convention.annotation.Namespace;
import org.apache.struts2.convention.annotation.ParentPackage;
import org.apache.struts2.convention.annotation.Result;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import com.itheima.bos.contant.Contants;
import com.itheima.bos.domain.page.PageBean;
import com.itheima.bos.domain.take_delivery.Promotion;
import com.opensymphony.xwork2.ActionContext;

import freemarker.template.Configuration;
import freemarker.template.Template;

@ParentPackage(value="json-default")
@Namespace("/")
@Scope("prototype")
@Controller
@SuppressWarnings("all")
public class PromotionAction extends BaseAction<Promotion> {
	
	
	@Action(value="promotion_pageQuery",results={
			@Result(name="success",type="json")})
	public String pageQuery(){
		  PageBean<Promotion> pageBean = WebClient.create(Contants.BOS_MANAGEMENT_URL
					+ "/bos_management/services/promotionService/pageQuery?page="+page
					+"&rows="+rows).accept(MediaType.APPLICATION_JSON).get(PageBean.class);
		  ActionContext.getContext().getValueStack().push(pageBean);
		return SUCCESS;	
	}
	//前台页面的静态展示     使用到freemarker技术
	@Action("promotion_showDetail")
	public String showDetail() throws Exception{
		String htmlRealPath = ServletActionContext.getServletContext()
				.getRealPath("/freemarker");
		File htmlFile = new File(htmlRealPath + "/" + model.getId() +".html");
		//先判断 id 对应html 是否存在，如果存在直接返回
		if(!htmlFile.exists()){
			Configuration configuration = new Configuration(
					Configuration.VERSION_2_3_22);
			configuration.setDirectoryForTemplateLoading(new File(
					ServletActionContext.getServletContext().getRealPath(
							"/WEB-INF/freemarker_templates")));
			// 获取模板对象
			Template template = configuration
					.getTemplate("promotion_detail.ftl");

			// 动态数据
			Promotion promotion = WebClient
					.create(Contants.BOS_MANAGEMENT_URL
							+ "/bos_management/services/promotionService/promotion/"
							+ model.getId()).accept(MediaType.APPLICATION_JSON)
					.get(Promotion.class);
			Map<String, Object> parameterMap = new HashMap<String, Object>();
			parameterMap.put("promotion", promotion);

			// 合并输出
			template.process(parameterMap, new OutputStreamWriter(
					new FileOutputStream(htmlFile), "utf-8"));

		}
		ServletActionContext.getResponse().setContentType(
				"text/html;charset=utf-8");
		FileUtils.copyFile(htmlFile, ServletActionContext.getResponse()
				.getOutputStream());
		return NONE;
	}
}
